Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872635 | Slip connector for weight actuated height adjustors | Glenn A. Knoblock | 1989-10-10 |
| 4709894 | Slip connector for weight actuated height adjustors | Glenn A. Knoblock | 1987-12-01 |